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This passage is mainly about ______.
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No one can deny that pesticides have improved the ability of farmers to bring their crops to market. (1) pesticides, farmers no longer have to worry that they will lose an entire crop (2) an army of cut Worms or fruit flies. (3) , Americans can rely on a large and varied food supply.However, we Americans need to become more (4) about the effects those pesticides on our food. More (5) , we need to think about what new (6) is necessary to protect ourselves from a (7) too rich in Pesticide residue. If we don’t demand greater (8) on pesticide use, we may be surprised, dismayed, and (9) horrified by the consequence of its use.On the most obvious level, farm workers who continue to use the pesticides (10) their present rate will (11) serious diseases. It’s no (12) that farmers (13) to herbicides have a six times greater risk of getting cancer. (14) , children who live in homes where pesticides are used have an increased chance of getting childhood leukemia(白血病).But the farmers are not the only ones (15) risk. Consumers may also suffer serious side effects from daily (16) of foods tainted (污染) by pesticides. Although scientists have yet to prove the link (17) , they are concerned that pesticide use may be one reason for the startling increase in various forms of cancer like breast and colon (结肠) cancers.We need new legislation that (18) stricter standards governing pesticide residues in food. Much of the current legislation is based on ignorance. Simply (19) , we allow high levels of carcinogens in our food because we don’ t know for sure that they do cause cancer in humans. Yet, why should we take the risk If there’s a chance that a pesticide causes cancer, then it should be (20) from use. 4（）
巴比妥类的不良反应不包括
No one can deny that pesticides have improved the ability of farmers to bring their crops to market. (1) pesticides, farmers no longer have to worry that they will lose an entire crop (2) an army of cut Worms or fruit flies. (3) , Americans can rely on a large and varied food supply.However, we Americans need to become more (4) about the effects those pesticides on our food. More (5) , we need to think about what new (6) is necessary to protect ourselves from a (7) too rich in Pesticide residue. If we don’t demand greater (8) on pesticide use, we may be surprised, dismayed, and (9) horrified by the consequence of its use.On the most obvious level, farm workers who continue to use the pesticides (10) their present rate will (11) serious diseases. It’s no (12) that farmers (13) to herbicides have a six times greater risk of getting cancer. (14) , children who live in homes where pesticides are used have an increased chance of getting childhood leukemia(白血病).But the farmers are not the only ones (15) risk. Consumers may also suffer serious side effects from daily (16) of foods tainted (污染) by pesticides. Although scientists have yet to prove the link (17) , they are concerned that pesticide use may be one reason for the startling increase in various forms of cancer like breast and colon (结肠) cancers.We need new legislation that (18) stricter standards governing pesticide residues in food. Much of the current legislation is based on ignorance. Simply (19) , we allow high levels of carcinogens in our food because we don’ t know for sure that they do cause cancer in humans. Yet, why should we take the risk If there’s a chance that a pesticide causes cancer, then it should be (20) from use. 9（）
设计阶段监理工程师对设计合同有( )的权力。
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